SH-K20-1 Hub K-Series (1-2) | SH-K20-1

Replace a worn or damaged 1st–2nd gear synchronizer hub with the Synchrotech SH-K20-1 K-Series transmission hub.

This replacement hub is designed for compatible Honda and Acura K20 K-Series manual transmissions. The hub is part of the 1st- and 2nd-gear synchronizer assembly and works with the synchronizer sleeve and rings to help engage either gear.

A worn or damaged hub can contribute to poor gear engagement, difficult shifting or transmission rebuild concerns. This component is intended for transmission repair, restoration and performance rebuild applications.

Features and Specifications

• Replacement 1st–2nd gear synchronizer hub

• Installs in the K-Series manual transmission synchronizer assembly

• Services both first- and second-gear engagement

• Suitable for transmission rebuild and repair applications

• Compatible with select Honda and Acura K20 manual transmissions

• Synchrotech part number: SH-K20-1

• Sold individually

Important Product Note

This listing includes the synchronizer hub only.

The synchronizer sleeve, synchro rings, springs, keys and other transmission components are not included unless specifically shown or stated separately.

Vehicle and Transmission Compatibility

Designed for compatible Honda and Acura vehicles equipped with K20 K-Series manual transmissions, including select applications such as:

• Honda Civic Si

• Honda Civic Si EP3

• Acura RSX

• Acura RSX Type-S

• Other K20 manual-transmission applications

Transmission components can vary by model, production year, gearset and transmission code. Verify the original component, transmission code and required Synchrotech part number before ordering.

Professional transmission installation is recommended.